Combined spark-plug and vaporizer.



NE KLEIN gSL'H. N.. PORTER. 1 COMBINED lSPARK PLUG A ND VAPOREZER.

-APPLlcATmN FILED 1AN.,2e`,v19\s Patented Juiy la, 1916. l

maigres.,

v Appioation led January 26, 1115i), Serial. No. 4,1517.

To all 'whom dismay concern:

Be itk known that we, MAX KLEIN. `and l HUGH N. Polman, citizens Vof the .United States, residing at Denver, in the countyof means.-

Denver and State of Colorado, have invented certain new and useful Improvements in (lombined Spark-Plugs and Vaporizers; and we do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled inthe art to whichit appertains to maire and usefthe saine.

f v'.lfhis .iuventimrelates to plugs and vaporizers for internal combustion engines,. nndhas for an objeot'to pro- 4 'proved core 6 of porcelain or other insulatvidegfinafdeviee of the class described, new and improved fuel receiving and containing Anofherlobject is to provide an improved .aud'nmreA efficient. heating means ier vaporizingtho `hiel. Y

' Another object is to provide an improved meansfor clearing the spark chamber of soot. v

With these'and other objects 'in view the invention comprises certain novel constructions, combinations and arrangements of parts as will be'hereinafter niore fully described and claimed and as illustratedin the accompanying 'drawings in which siinilarcharacters of reference indicate corresponding parts throughout the several views and in which o r v Figure' is an elevation ofthe spark plug with a portion cut away showing the vapor- `izing portion oi the core. Fig. QIIfis a-top view of the ping. Fig'. -I'Iis a bottom-view of theplug. Fig. lV-vis avertical section o1 a spark plug on line'A-A Fig. H and `also of the valve in place of the plug. Fig. Vis a cross section of the core on lineB-B Fig. lV. Fig.' Vl is an enlarged view of one vvendoi the 'iniproved'valve with plug re- 'moved'. Fig. lVllfisjan'enlarged longitudinal section 'of the improved valve online C--C V1. Figlj VIH is an.' 'enlarged -view of theA other lend ofthe 'casingo the im rovedy valveI- u r improvedfsparkplug hasa casing very similar to those-,uponspark plugs now 'in common use. lnfactysuch 'commonly [used casings maybe lused in the construc-j tion ofA our invention though it may be `found advisable in practiceto employ a core Specification of Letters Patent.

C dation of the core and terminals, an annular combinedsparkA 4inrianiet onirica.

Max Kham annnuon Nl ronriinjor DENVER, nominano.`

l comentan SPARK-erinnern Varoniznn.

Patented July 18, 1916.

of size larger thanthose in common use thus also requiring a larger casing to accommodate they saine.

We provide a casing 1 which may be threaded as at 2 for being screwed into the a spark chamber 4 is provided for accommoshoulder 5 thereof.' I 'Within being provided at the upper end -the casing 1 we provide-our iniing material, having a shoulder or annular ridge 7 for seating againstshoulder 5 and receiving the .end of lock nut 8A threaded into casing 1 for'retaining the core 6 therein.

Washers 9 and 10 may be provided for preventingleakage of pressure from the cylin.-

der. Coro 6 carries a sparking electrode 11,

one end of which projects and extends to Y forma spark gap with another suitable elecv trode as lwhich `niayibe mounted upon and grounded through casing 1r. The opposite4 end of the core 6 is provided with suitable connections ascap- 1 1 carrying .screw 13 simply a description ofcores now in use in The description of the core G thus far is.

with which may be connected a wire 14 leadv a varietyof spark plugs and any of the parts thus describedrnay be changed withl out ailecting our invention which consists of 1: those-.'featuresof said core and plug whichy we shall now describe.

- heating ycoil -19 connecting with abattery' or otherasonroeof heating current through The lower portion 'of the core 6 is out.' y away or provided with an annular channel. as at 16 forming a shelf 17 which is cupped or'grooved out as at 181:0 produce a gutter Around Ifwires v9.0 and 21 embedded in andv carried by the core. 6, said wires being providedy with suitable plates 22 and 23 and retaining..

screws 24 and 25, where they leave the core near its upper end. At and below shelf 1'? the core is ot a diameter' smaller than that of chamber l so that a space or passageway E2G is lci't around the core at this point.

lt will he noted that hy the ahore construction we. provide a heating coil adapted to he directly"connected with both poles of the battery or source of current instead of grounding one wire through the engine. 'lherehy our heating device is rendered more ellicient it isI entirely independent ot' the spark circuit in its action and control.

For supplying fuel to the receiver and heating coil a'hove described it is necessary to provide a valve adjacent the spark pluff. 'lhe heat from the cylinder is so great that a spring would he detenlperized thereby. Accordingly a epringless valve is required which will allow fuel to pass into the spark plug hut prevent the escape therethrough of hack pressure troni the cylinder after explosion. .For this purpose and in order to malte practical the operation of our vaporizer, we provide an improved valve havingr a casing 3T threaded at one end as at *.25 .tor insertion in opening,r 3 in casing l and threaded at the other end as at 29 tur connection with any suitable fuel conduit. The valve casing 27 stands horizontal and is prciivided with an enlarged here 30 tapering as at 31 into passage 32 which liares as at 33 to forni a seat facing inward toward the 'alvc charnher tier. Valve ehanlhcr Atermed by counter-lawine" the )assaue 23B 1u the casino' 2i J tu D and the here thus formed is threaded as at l5 for receiving threaded plug eil having passage JT therein leading from the ralre chamber 3lthrough and out of said plug 36. llfithin the valve chamber 3l is slidingly mounted the valve piston 3S having one end formed to correepond to thceeat 325 so as to close the inlet passage 3:2 when positioned as shown at Fig lill. Portions of the piston ar eut away, preferably as at 39, so as to leave passagiuvay alongside the valve. The opposite en d ot the pistou is groei/'ed or slotted as at l() and il so as to leave a connecting passageway at all tunes between outlet passage 3T and the spaces or passageways left the sides of pieton hy the cutaways 39.

lt will he noted that the outlet paesaggi; 37 amaller than the inlet passage 351` so that when passage lil and valve ehainher 3l are lllled` with lluid under p1 uzy the fluid will pass out of passage 37 in i jet er stream which will strike core and flow down over coil l!) into cupped shelf 17-18.

lVithout departing freir the spirit of 'the invention. n'ieane other than difference in the relative sizes el the passages 32 and 3T may he used tor causing the fuel to flow in a jet or stream or to atrihe core 6.

In operation, the heatiiu;r circuit may he closed at any Linie or letting current through coil lil lor heating it, and fuel ad nieuwe mitted from any suitable source through the valve and directed in a jet against core 6 where it floods coil i9 and is heated and vaparietal.v Any fuel that is not vaporized in passing over coil l5) flows into the gutter 18 where it is retained adjacent the coil and thus heated and vaporized. The vapor thus formed passes out through space around core (3 and envelope the ends ol electrodes l1 and l2 at the spark gap at the mouth of the spark chamber l, and will be ignited by the next spark formed thereat, in the usualV manner, thus causing an explosion Within the cylinder. The pressure resulting from the explosion will press hach through passage 3T with such force as to throw the piston 38 against seat 33 and close passage 32, thus preventing lose ol pressure throu h the valve. l t will he seen that each intake stroke of the piston in cach cylinder will thus draw in a small charge of gasolene, either raw it it is taken from the feed line or vaporized if it is taken from the carbu retcr manifold, this charge strikes the coil and is heated and thoroughly vaporized, it flows along the space Q6 and through the chamber l to the spark gap and drives allV particles of soot into the cylinder, and it is exploded hy the neat succeeding spark and therefore explodes the main charge. In its inrush it scavenges and washes the bore of the casing, and we have found that a spark plug, thus equipped will remain' clean or at least serviceable i'or a much longer time than those now in common'use. lliloreover, a plugr ot this character is highly ellicaeious when the engine is cold, as when running in cold weather, when improper carburization is taking place, or when starting. The 'obvious reason is hecause the small charge drawn in is both vaporized and heated, even il? the plug and cylinder at that time 'are cold.

lt will, of course, he understood that many details of this device may he changed without departing from the spirit-of the invention.

`We claire4 l. ln a combined spari; plug and vaporizer, a pair oit electrodes spaced to forma spar-lr means independent o'l the electrodes for producing heat near the spark' gap, and means ior causing a jet of 'fuel to come into contact with said heating means tor vaporizing the saine.

2. ln a combined spark plug and 'vaporizer,` a core, a pair of electrodes, a heating' coil in proximity to said electrodes, means ter causing a jet of fuel to come into contact with said coil for vaporizing the sanne, and wires from a source of electric current through said core independent of redes and connected with said coil.

Il.V .lu a machined spark plug and vaporizer, the eure and electrodes, heating means on the core independent of the electrodes, means for causing a jet of fuel to flow over said heating means 'for vaporizmg the same,

and other means for receiving such of said lmeans for vaporizing the fuel therein.

5. In a combined spark plug and vaporizer, a core, a heatingcoil carried thereon, and means on said core and adjacent. 'said coil for receiving and retaining fuel. l

6. Ina spark plug, vthe combination with the casing, and the electrodes spaced to form a spark gap cfa core 4through which one electrode passes, the core having` nearits lower end an encircling gutter, a heating coil -around said core above the gutter, energivling wires independent of the electrodes leading from said coil upward through the core to a source ofelectricity, and means for directing Huid fuel against the coil. i 1

7. In a sparkplug, the combination with the casing, and the electrodes spaced to form a spark gap; of av core through.- which one electrode passes, the core having near its' lower end an encircling channel'witha utter at its bottom, a heating coil aroun said channel, energizing wires leading from said -c'oil toa source of electricity, and means for directing fluid fuelagainst the coil above said gutter. i l l. 8, lIn combination with a s arkplug having a hole through one side o l itscasing, and

a core and xf-alectrodes;` a fluid fuel inlet pipe.

communicating Withsaid hole,.- al horizontally movable and outwardly closing check valve within said pipe, and means carried by said core for vapcrilzingy the-` fluid .admittedv through said valve. 9. In a` spark plug, a casing and a corey carrying an .electrode and Shaving a `porp tion thereof cut away, combined withwires carried in'said core 'and fox-ined Yinto a coill around said cut-away portion, vmeans for heating said co1l,.means for injecting fluid fuel against said core for causing it to flow over said coil, and means for. receiving such of said fuel as flows below said coil.

10. The combination with a` spark plu having a hole through the side of itscasing, a core within the casing extending past said Y hole and provided with an annular channel opposite such hole, and aheating coil lying within the channel; of a pipe leading from a I source of fluid fuel supply, a valvecasing having one end connected with saidpipe and the other end seated in said hole and provided with a jet opening directed toward said coil, and an outwardly closing check valve Within said valve casing; 65 11.,.The combination with a spark plug4 having a hole through the side of its casing, and aninternal core extending past said holeg-of a pipe lleading from asource of .fluid fuel supply, a valve casing having one end connected with said pipe and the other end seated in said hole andpro'vi-ded with -izing the "latten-and means for energizing Said beaten. Y 12. The combination 'with a spark plug 'having a hole through the side of its casing,

andan internal coreextendingl past said hole; of a pipe leading from a source of Huid fuel supply, a valve casing having one end y connected with said pipe and the' other end seated in said holeand provided with a jet opening, .an outwardly closing check valve within said casing, an electricheating.` coil encircling .the core, oppositersaidfjet, and a circuit separate from the; sparking circuit Y connected with said coil.- 1 p 13. In a spark'plug, thecombination wit ,f90 the casing, and the eleckztgrt)des;-vv of acont throughwhich one electrode-passes, the vcore ,having near its lower endanecincling chan- I 'nel with a gutter at its' bottom, a' heating...A

coil around said channel, venergizing wires independentof the electrodes leading from said coil upward through the core to asource 'f l lof, electricity, land-`mear'ls for directing a jetl 'of fluid fuel against the coil above -`sai d* gutter. (j. 100 In testimony w ereof-we aix oir signa-' tures in presence of twok witnesses.

MAX'KLEIN; HUGH N. PORTER.

Witnesses-z- FRANK D'. Tascam',

' CARLE WHITEHEM, 

